Brown, Betty Byers. <br/><br/>
Speech therapy :  principles and practice / 
Betty Byers Brown. 
 - New York :  Churchill Livingstone,  1981. 
 - x, 262 p. :  ill. ;  22 cm. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>044302099X 
<br/><br/><label>LCCN: </label>8041324  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Speech therapy.